Side by side
StrikePlagiarism vs Turnitin Originality
Both stand on ai plagiarism checkers. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free trial APISelf-hostedWeb
StrikePlagiarism combines similarity checking, AI analysis, translated matching and grammar tools. Institutional and individual accounts differ substantially in repository access and integrations, so the suitable setup depends on how documents are managed.
Visit StrikePlagiarism Paid Web
Turnitin Originality combines similarity checking with AI-writing, authorship, and document-metadata insights for institutions. Its indicators inform educator decisions rather than establishing misconduct, and pricing requires an institutional inquiry.
Visit Turnitin OriginalityThe facts
| StrikePlagiarism | Turnitin Originality | |
|---|---|---|
| Free plan | A free trial | Not published |
| Open source | Not published | Not published |
| Runs on | API, Self-hosted, Web | Web |
| Lowest paid plan | See the plans | Free or on request |
| Plans published | 4 | 1 |
| Maker | Not published | Not published |
| Website | strikeplagiarism.com | turnitin.com |
| On ai plagiarism checkers | #21 of 26 | #25 of 26 |
StrikePlagiarism: what it does well
- Similarity, paraphrasing and AI-content checks
- Searches internet, university and publisher sources
- Reports include citation and manipulation indicators
- Integrations with major learning platforms
- API and self-hosted deployment options
What to know first
- Paid service with no free plan
- Individual accounts cannot check university databases
- Individual accounts lack LMS and API connections
- Token plan checks 18,000 characters each
Turnitin Originality: what it does well
- Reports likely AI-generated text percentages and segments.
- Includes an Authorship report and metadata analytics.
- Supports access through an integrated learning management system.
- Both license types support LTI 1.3 integrations.
What to know first
- Pricing is available on request.
- No free plan is listed.
- The AI indicator does not determine misconduct.
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